diff options
| author | Dan Carpenter <error27@gmail.com> | 2010-11-18 04:58:04 +0100 |
|---|---|---|
| committer | Artem Bityutskiy <Artem.Bityutskiy@nokia.com> | 2010-11-19 14:19:40 +0100 |
| commit | 1b1d76e2df2a0aa965d6a227db7061d3fff029b1 (patch) | |
| tree | c0ebf23becdbe770d9c8e8ab3b8613e5143d4bb3 /drivers | |
| parent | Linux 2.6.37-rc2 (diff) | |
| download | linux-1b1d76e2df2a0aa965d6a227db7061d3fff029b1.tar.xz linux-1b1d76e2df2a0aa965d6a227db7061d3fff029b1.zip | |
UBI: release locks in check_corruption
Commit 45aafd32996e27 "UBI: tighten the corrupted PEB criteria"
introduced some return paths that didn't release the ubi->buf_mutex
Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/mtd/ubi/scan.c | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/drivers/mtd/ubi/scan.c b/drivers/mtd/ubi/scan.c index 3c631863bf40..204345be8e62 100644 --- a/drivers/mtd/ubi/scan.c +++ b/drivers/mtd/ubi/scan.c @@ -787,16 +787,15 @@ static int check_corruption(struct ubi_device *ubi, struct ubi_vid_hdr *vid_hdr, * erased, so it became unstable and corrupted, and should be * erased. */ - return 0; + err = 0; + goto out_unlock; } if (err) - return err; + goto out_unlock; - if (ubi_check_pattern(ubi->peb_buf1, 0xFF, ubi->leb_size)) { - mutex_unlock(&ubi->buf_mutex); - return 0; - } + if (ubi_check_pattern(ubi->peb_buf1, 0xFF, ubi->leb_size)) + goto out_unlock; ubi_err("PEB %d contains corrupted VID header, and the data does not " "contain all 0xFF, this may be a non-UBI PEB or a severe VID " @@ -806,8 +805,11 @@ static int check_corruption(struct ubi_device *ubi, struct ubi_vid_hdr *vid_hdr, pnum, ubi->leb_start, ubi->leb_size); ubi_dbg_print_hex_dump(KERN_DEBUG, "", DUMP_PREFIX_OFFSET, 32, 1, ubi->peb_buf1, ubi->leb_size, 1); + err = 1; + +out_unlock: mutex_unlock(&ubi->buf_mutex); - return 1; + return err; } /** |